Home / 1,103,470.71-1,522,740.98-644,627.79

Finding the Fourth Proportional to 1,103,470.71, 1,522,740.98 and 644,627.79

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Solution

The fourth proportional to 1,103,470.71, 1,522,740.98 and 644,627.79 is: 889,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,470.71 : 1,522,740.98 = 644,627.79 : x
  2. Step 2: Convert to fraction form
    1,103,470.71/1,522,740.98 = 644,627.79/x
  3. Step 3: Cross multiply
    1,103,470.71x = 1,522,740.98 × 644,627.79
  4. Step 4: Simplify right side
    1,103,470.71x = 981,601,149,456.70
  5. Step 5: Solve for x
    x = 981,601,149,456.70/1,103,470.71
  6. Step 6: Final answer
    x = 889,557.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.